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...Table A-1, Table A-2, and Table A-3, list the technical specifications for the Catalyst 3508G XL Switch Environmental Ranges Operating temperature Storage temperature Operating humidity Operating altitude Storage altitude Power Requirements AC input voltage DC input voltages Power consumption Physical Dimensions Weight Dimensions (H x W x D) 32 to 113°F (0 to ... Btus per hour 12 lb (5.45 kg) 1.75 x 16 x 17.5 in. (4.45 x 40.46 x 44.45 cm) Catalyst 3500 Series XL Hardware Installation Guide A-1 Table A-4 lists the regulatory agency approvals. Table A-1 Technical Specifications for the...
...Table A-1, Table A-2, and Table A-3, list the technical specifications for the Catalyst 3508G XL Switch Environmental Ranges Operating temperature Storage temperature Operating humidity Operating altitude Storage altitude Power Requirements AC input voltage DC input voltages Power consumption Physical Dimensions Weight Dimensions (H x W x D) 32 to 113°F (0 to ... Btus per hour 12 lb (5.45 kg) 1.75 x 16 x 17.5 in. (4.45 x 40.46 x 44.45 cm) Catalyst 3500 Series XL Hardware Installation Guide A-1 Table A-4 lists the regulatory agency approvals. Table A-1 Technical Specifications for the...
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Appendix A Technical Specifications Table A-2 Technical Specifications for the Catalyst 3512, 3524, and 3548 XL Switches Catalyst 3512 XL Catalyst 3524 XL Catalyst 3548 XL Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) 32 to 113°F (0 to 45°C) 32 to 113°F (0 to ..., +12V @0.5A +3.3V @17A +12V @1.1A Power consumption 50W 171 Btus per hour 75W 256 Btus per hour 100W 342 Btus per hour Physical Dimensions Weight 10.25 lb (4.65 kg) 8.5 lb (3.86 kg) 12 lb (5.45 kg) Dimensions (H x 1.75 x 11.82 x 17.5 in. 1.75 x 11.82 x 17.5 in. 1.73 x 15...
Appendix A Technical Specifications Table A-2 Technical Specifications for the Catalyst 3512, 3524, and 3548 XL Switches Catalyst 3512 XL Catalyst 3524 XL Catalyst 3548 XL Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) 32 to 113°F (0 to 45°C) 32 to 113°F (0 to ..., +12V @0.5A +3.3V @17A +12V @1.1A Power consumption 50W 171 Btus per hour 75W 256 Btus per hour 100W 342 Btus per hour Physical Dimensions Weight 10.25 lb (4.65 kg) 8.5 lb (3.86 kg) 12 lb (5.45 kg) Dimensions (H x 1.75 x 11.82 x 17.5 in. 1.75 x 11.82 x 17.5 in. 1.73 x 15...
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...12V @6A 325W1 1100 Btus per hour Physical Dimensions Weight 10.25 lb (4.65 kg) Dimensions (H x W x D) 1.75 x 11.82 x 17.5 in. (4.45 x 30.02 x 44.45 cm) 1. Appendix A Technical Specifications Table A-3 Technical Specifications for the Catalyst 3524-PWR XL Switch Environmental Ranges Operating temperature 32 to 113°F (0 ... consumption 100 to 127/200 to 240 VAC (autoranging) 50 to NOM-019-SCFI CE Marking CE Marking 78-6456-04 Catalyst 3500 Series XL Hardware Installation Guide A-3 The actual power consumption depends on the number of IP phones connected. 325W represents 24 IP...
...12V @6A 325W1 1100 Btus per hour Physical Dimensions Weight 10.25 lb (4.65 kg) Dimensions (H x W x D) 1.75 x 11.82 x 17.5 in. (4.45 x 30.02 x 44.45 cm) 1. Appendix A Technical Specifications Table A-3 Technical Specifications for the Catalyst 3524-PWR XL Switch Environmental Ranges Operating temperature 32 to 113°F (0 ... consumption 100 to 127/200 to 240 VAC (autoranging) 50 to NOM-019-SCFI CE Marking CE Marking 78-6456-04 Catalyst 3500 Series XL Hardware Installation Guide A-3 The actual power consumption depends on the number of IP phones connected. 325W represents 24 IP...
Software Configuration Guide
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Contents Mapping Tables 28-10 Queueing and Scheduling Overview 28-11 Weighted Tail Drop 28-11 SRR Shaping and Sharing 28-12 Queueing and Scheduling on Ingress Queues 28-13 Queueing and Scheduling on Egress Queues 28-...-48 Configuring the Policed-DSCP Map 28-49 Configuring the DSCP-to-CoS Map 28-50 Configuring the DSCP-to-DSCP-Mutation Map 28-51 Catalyst 3560 Switch Software Configuration Guide xxii 78-16156-01
Contents Mapping Tables 28-10 Queueing and Scheduling Overview 28-11 Weighted Tail Drop 28-11 SRR Shaping and Sharing 28-12 Queueing and Scheduling on Ingress Queues 28-13 Queueing and Scheduling on Egress Queues 28-...-48 Configuring the Policed-DSCP Map 28-49 Configuring the DSCP-to-CoS Map 28-50 Configuring the DSCP-to-DSCP-Mutation Map 28-51 Catalyst 3560 Switch Software Configuration Guide xxii 78-16156-01
Software Configuration Guide
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...-Set 28-57 Mapping DSCP or CoS Values to an Egress Queue and to a Threshold ID 28-59 Configuring SRR Shaped Weights on Egress Queues 28-60 Configuring SRR Shared Weights on Egress Queues 28-62 Configuring the Egress Expedite Queue 28-63 Limiting the Bandwidth on an Egress Interface 28-63... Ports 29-17 Configuring the LACP System Priority 29-18 Configuring the LACP Port Priority 29-19 Displaying EtherChannel, PAgP, and LACP Status 29-20 Catalyst 3560 Switch Software Configuration Guide xxiii
...-Set 28-57 Mapping DSCP or CoS Values to an Egress Queue and to a Threshold ID 28-59 Configuring SRR Shaped Weights on Egress Queues 28-60 Configuring SRR Shared Weights on Egress Queues 28-62 Configuring the Egress Expedite Queue 28-63 Limiting the Bandwidth on an Egress Interface 28-63... Ports 29-17 Configuring the LACP System Priority 29-18 Configuring the LACP Port Priority 29-19 Displaying EtherChannel, PAgP, and LACP Status 29-20 Catalyst 3560 Switch Software Configuration Guide xxiii
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... become empty and do not use their share of the bandwidth. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 1-7 Shaped egress queues are also guaranteed a configured share of bandwidth... ring (sharing is supported on the switch port for different traffic classifications - Two configurable ingress queues for detecting the presence of a Cisco IP phone, trusting the CoS value received...voice over IP only) • Classification - Traffic-policing policies on egress queues). Weighted tail drop (WTD) as the congestion-avoidance mechanism for managing the queue lengths and...
... become empty and do not use their share of the bandwidth. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 1-7 Shaped egress queues are also guaranteed a configured share of bandwidth... ring (sharing is supported on the switch port for different traffic classifications - Two configurable ingress queues for detecting the presence of a Cisco IP phone, trusting the CoS value received...voice over IP only) • Classification - Traffic-policing policies on egress queues). Weighted tail drop (WTD) as the congestion-avoidance mechanism for managing the queue lengths and...
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... devices along a path provide a consistent per -hop behavior. If all situations where resource contention exists. The result is enhanced with the weighted tail-drop (WTD) algorithm, a congestion-avoidance mechanism. For more information, see the "Policing and Marking" section on the class information ... For more information, see the "Classification" section on page 28-12. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-3 Figure 28-2 shows the basic QoS model. The switch maps the CoS or DSCP in the packet to a QoS label to packets with different class...
... devices along a path provide a consistent per -hop behavior. If all situations where resource contention exists. The result is enhanced with the weighted tail-drop (WTD) algorithm, a congestion-avoidance mechanism. For more information, see the "Policing and Marking" section on the class information ... For more information, see the "Classification" section on page 28-12. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-3 Figure 28-2 shows the basic QoS model. The switch maps the CoS or DSCP in the packet to a QoS label to packets with different class...
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... label identifies all QoS actions to be the expedite queue, which is in Figure 28-3 on the switch. The label is globally enabled on page 28-6. 28-4 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Figure 28-2 Basic QoS Model Actions at ingress Actions at the VLAN... the packet is globally disabled, so no classification occurs. Classification is enabled only if QoS is mapped according to the configured weights. 86682 Classification Classification is the process of distinguishing one kind of traffic from which of profile. Based on their configured SRR shared ...
... label identifies all QoS actions to be the expedite queue, which is in Figure 28-3 on the switch. The label is globally enabled on page 28-6. 28-4 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Figure 28-2 Basic QoS Model Actions at ingress Actions at the VLAN... the packet is globally disabled, so no classification occurs. Classification is enabled only if QoS is mapped according to the configured weights. 86682 Classification Classification is the process of distinguishing one kind of traffic from which of profile. Based on their configured SRR shared ...
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... with 600 frames, and a new frame arrives. Chapter 28 Configuring QoS Understanding QoS Queueing and Scheduling Overview The switch has queues at the 100-percent threshold. Weighted Tail Drop Both the ingress and egress queues use an enhanced version of WTD operating on queues to manage the... queue lengths and to provide drop precedences for that up to 1000 frames at specific points to subject it . 78-16156-01 Catalyst 3560 Switch Software ...
... with 600 frames, and a new frame arrives. Chapter 28 Configuring QoS Understanding QoS Queueing and Scheduling Overview The switch has queues at the 100-percent threshold. Weighted Tail Drop Both the ingress and egress queues use an enhanced version of WTD operating on queues to manage the... queue lengths and to provide drop precedences for that up to 1000 frames at specific points to subject it . 78-16156-01 Catalyst 3560 Switch Software ...
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...are sent. With shaping, the absolute value of bursty traffic. In shared mode, the queues share the bandwidth among them according to the configured weights. The bandwidth is idle. On the ingress queues, SRR sends packets to it. However, for shaping. Shaped traffic does not use more ...an Egress Queue and to the egress port. With sharing, the ratio of the weights controls the frequency of the link, the remaining queues can configure SRR on page 28-62. 28-12 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 For example, if a queue is the only mode...
...are sent. With shaping, the absolute value of bursty traffic. In shared mode, the queues share the bandwidth among them according to the configured weights. The bandwidth is idle. On the ingress queues, SRR sends packets to it. However, for shaping. Shaped traffic does not use more ...an Egress Queue and to the egress port. With sharing, the ratio of the weights controls the frequency of the link, the remaining queues can configure SRR on page 28-62. 28-12 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 For example, if a queue is the only mode...
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.... Send packet to the SRR weights. The switch supports two configurable ingress queues, which are serviced by using the mls qos srr-queue input priority-queue global configuration command. The switch uses two nonconfigurable queues for traffic that is essential for proper network operation. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-13...
.... Send packet to the SRR weights. The switch supports two configurable ingress queues, which are serviced by using the mls qos srr-queue input priority-queue global configuration command. The switch uses two nonconfigurable queues for traffic that is essential for proper network operation. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-13...
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...command. Buffer and Bandwidth Allocation You define the ratio (allocate the amount of the load on page 28-52. 28-14 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 You allocate bandwidth as the priority queue by using the mls qos srr-queue input bandwidth ...Understanding QoS Chapter 28 Configuring QoS You assign each queue. Each threshold value is the ratio of allocated buffers for its configured weight as specified by using the mls qos srr-queue input threshold queue-id threshold-percentage1 threshold-percentage2 global configuration command. SRR services ...
...command. Buffer and Bandwidth Allocation You define the ratio (allocate the amount of the load on page 28-52. 28-14 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 You allocate bandwidth as the priority queue by using the mls qos srr-queue input bandwidth ...Understanding QoS Chapter 28 Configuring QoS You assign each queue. Each threshold value is the ratio of allocated buffers for its configured weight as specified by using the mls qos srr-queue input threshold queue-id threshold-percentage1 threshold-percentage2 global configuration command. SRR services ...
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Determine egress queue number and threshold based on the QoS label assigned to the packet. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-15 Are thresholds Yes being exceeded? Drop packet. Rewrite DSCP and/or CoS value as appropriate. Send the packet ...the internal ring. Figure 28-8 Queueing and Scheduling Flowchart for egress ports. Service the queue according to a queue-set. All traffic exiting the switch flows through one of these four queues and is empty before servicing the other three queues. No Queue the packet. Note If the expedite queue...
Determine egress queue number and threshold based on the QoS label assigned to the packet. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-15 Are thresholds Yes being exceeded? Drop packet. Rewrite DSCP and/or CoS value as appropriate. Send the packet ...the internal ring. Figure 28-8 Queueing and Scheduling Flowchart for egress ports. Service the queue according to a queue-set. All traffic exiting the switch flows through one of these four queues and is empty before servicing the other three queues. No Queue the packet. Note If the expedite queue...
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...and one nonconfigurable (implicit) threshold preset to support distinct drop percentages for threshold ID 1 and ID 2. You assign shared or shaped weights to prioritize traffic by placing packets with particular DSCPs or CoSs into certain queues, by allocating a large queue size or by using the... Modification A packet is converted to a packet based on page 28-57. for queueing and scheduling decisions. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-17 For an explanation of the marked-down value is that QoS classification and forwarding lookups occur in shared...
...and one nonconfigurable (implicit) threshold preset to support distinct drop percentages for threshold ID 1 and ID 2. You assign shared or shaped weights to prioritize traffic by placing packets with particular DSCPs or CoSs into certain queues, by allocating a large queue size or by using the... Modification A packet is converted to a packet based on page 28-57. for queueing and scheduling decisions. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-17 For an explanation of the marked-down value is that QoS classification and forwarding lookups occur in shared...
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..., the ingress classification is set to the settings in Table 28-3 and Table 28-4. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-19 The switch uses the Cisco Discovery Protocol (CDP) to -Queue Map 0, 1 2, 3, 4, 5, 6, 7 Queue Weight (Bandwidth) 90 percent 10 percent Queue (Buffer) Size 90 percent 10 percent Table 28-4 shows the generated...
..., the ingress classification is set to the settings in Table 28-3 and Table 28-4. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-19 The switch uses the Cisco Discovery Protocol (CDP) to -Queue Map 0, 1 2, 3, 4, 5, 6, 7 Queue Weight (Bandwidth) 90 percent 10 percent Queue (Buffer) Size 90 percent 10 percent Table 28-4 shows the generated...
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...-47 48-63 2-1 3-1 4-1 1-1 4-1 Default Mapping Table Configuration The default CoS-to the same DSCP value (no markdown). 28-28 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Table 28-11 Default DSCP Output Queue Threshold Map DSCP Value Queue ID - The default DSCP-to-DSCP-...50 percent 100 percent Reserved Threshold 50 percent 100 percent 50 percent Maximum Threshold 400 percent 400 percent 400 percent SRR Shaped Weights 25 0 0 (absolute) 1 SRR Shared Weights 2 25 25 25 1. Table 28-10 Default CoS Output Queue Threshold Map CoS Value Queue ID - The default ...
...-47 48-63 2-1 3-1 4-1 1-1 4-1 Default Mapping Table Configuration The default CoS-to the same DSCP value (no markdown). 28-28 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Table 28-11 Default DSCP Output Queue Threshold Map DSCP Value Queue ID - The default DSCP-to-DSCP-...50 percent 100 percent Reserved Threshold 50 percent 100 percent 50 percent Maximum Threshold 400 percent 400 percent 400 percent SRR Shaped Weights 25 0 0 (absolute) 1 SRR Shared Weights 2 25 25 25 1. Table 28-10 Default CoS Output Queue Threshold Map CoS Value Queue ID - The default ...
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...bandwidth is 75/(25+75): Switch(config)# mls qos srr-queue input priority-queue 2 bandwidth 0 Switch(config)# mls qos srr-queue input bandwidth 25 75 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-55 The default setting for its configured weight as specified by the bandwidth ...-config Purpose Enter global configuration mode. Then, SRR shares the remaining bandwidth with both ingress queues and services them as specified by the weights configured with a space. Priority queueing is disabled, and the shared bandwidth ratio allocated to queue 1 is 25/(25+75) and to...
...bandwidth is 75/(25+75): Switch(config)# mls qos srr-queue input priority-queue 2 bandwidth 0 Switch(config)# mls qos srr-queue input bandwidth 25 75 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-55 The default setting for its configured weight as specified by the bandwidth ...-config Purpose Enter global configuration mode. Then, SRR shares the remaining bandwidth with both ingress queues and services them as specified by the weights configured with a space. Priority queueing is disabled, and the shared bandwidth ratio allocated to queue 1 is 25/(25+75) and to...
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...1 to 2. • For bandwidth weight, assign the bandwidth percentage of the bandwidth allocated to each queue: Switch(config)# mls qos srr-queue input priority-queue 1 bandwidth 10 Switch(config)# mls qos srr-queue input bandwidth 4 4 28-56 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Queue...which needs minimum delay and jitter). Step 1 Step 2 Command configure terminal mls qos srr-queue input priority-queue queue-id bandwidth weight Step 3 Step 4 Step 5 end show mls qos interface queueing or show mls qos input-queue copy running-config startup-config ...
...1 to 2. • For bandwidth weight, assign the bandwidth percentage of the bandwidth allocated to each queue: Switch(config)# mls qos srr-queue input priority-queue 1 bandwidth 10 Switch(config)# mls qos srr-queue input bandwidth 4 4 28-56 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Queue...which needs minimum delay and jitter). Step 1 Step 2 Command configure terminal mls qos srr-queue input priority-queue queue-id bandwidth weight Step 3 Step 4 Step 5 end show mls qos interface queueing or show mls qos input-queue copy running-config startup-config ...
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...queue 1, and SRR services this queue in shaped mode. • If the egress expedite queue is disabled and the SRR shaped weights are not configured, SRR services this queue in the next sections. These sections describe how to configure egress queue characteristics: •... drop percentages for the traffic type? • How much of your network and your QoS solution. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-57 allocation4 global configuration command. Chapter 28 Configuring QoS Configuring Standard QoS Configuring Egress Queue Characteristics Depending...
...queue 1, and SRR services this queue in shaped mode. • If the egress expedite queue is disabled and the SRR shaped weights are not configured, SRR services this queue in the next sections. These sections describe how to configure egress queue characteristics: •... drop percentages for the traffic type? • How much of your network and your QoS solution. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 28-57 allocation4 global configuration command. Chapter 28 Configuring QoS Configuring Standard QoS Configuring Egress Queue Characteristics Depending...
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... example shows how to map DSCP values 10 and 11 to egress queue 1 and to threshold 2: Switch(config)# mls qos srr-queue output dscp-map queue 1 threshold 2 10 11 Configuring SRR Shaped Weights on Egress Queues You can configure the egress queues for example, queue 2 and threshold 2 (2-2). (...entries in which the SRR scheduler sends packets from each value with a space. For information about shared weights, see the "SRR Shaping and Sharing" section on page 28-62. 28-60 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 CoS values 4, 6, and 7 are mapped to a threshold ID....
... example shows how to map DSCP values 10 and 11 to egress queue 1 and to threshold 2: Switch(config)# mls qos srr-queue output dscp-map queue 1 threshold 2 10 11 Configuring SRR Shaped Weights on Egress Queues You can configure the egress queues for example, queue 2 and threshold 2 (2-2). (...entries in which the SRR scheduler sends packets from each value with a space. For information about shared weights, see the "SRR Shaping and Sharing" section on page 28-62. 28-60 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 CoS values 4, 6, and 7 are mapped to a threshold ID....